scholarly journals Brook trout (Salvelinus fontinalis) movement and habitat use in a headwater stream of the central Appalachian Mountains of West Virginia

2003 ◽  
Author(s):  
Marisa Nel Logan
Keyword(s):  
West Virginia ◽  
Habitat Use ◽  
Brook Trout ◽  
Salvelinus Fontinalis ◽  
Appalachian Mountains ◽  
Headwater Stream

Ontogenetic and diel variation in stream habitat use by brook trout (Salvelinus fontinalis) in a headwater stream

2011 ◽  
Vol 26 (1) ◽  
pp. 143-152 ◽  
Author(s):  
James H. Johnson ◽  
Robert M. Ross ◽  
David S. Dropkin ◽  
Lori A. Redell
Keyword(s):  
Habitat Use ◽  
Brook Trout ◽  
Salvelinus Fontinalis ◽  
Headwater Stream ◽  
Stream Habitat ◽  
Diel Variation

Spatial variability in adult brook trout (Salvelinus fontinalis) survival within two intensively surveyed headwater stream networks

2014 ◽  
Vol 71 (7) ◽  
pp. 1010-1019 ◽  
Author(s):  
Yoichiro Kanno ◽  
Benjamin H. Letcher ◽  
Jason C. Vokoun ◽  
Elise F. Zipkin
Keyword(s):  
Spatial Variability ◽  
Count Data ◽  
Brook Trout ◽  
Salvelinus Fontinalis ◽  
Survival Rates ◽  
Headwater Stream ◽  
The Other ◽  
Stream Networks ◽  
Open Population ◽  
Demographic Rates

Headwater stream networks are considered heterogeneous riverscapes, but it is challenging to characterize spatial variability in demographic rates. We estimated site-scale (50 m) survival of adult (>age 1+) brook trout (Salvelinus fontinalis) within two intensively surveyed headwater stream networks by applying an open-population N-mixture approach to count data collected over two consecutive summers. The estimated annual apparent survival rate was 0.37 (95% CI: 0.28–0.46) in one network and 0.31 (95% CI: 0.15–0.45) in the other network. In both networks, trout survival was higher in stream sites characterized by more abundant pool habitats. Trout survival was negatively associated with mean depth in one network and positively associated with stream gradient in the other. Stream temperature was not related to trout survival in either network, possibly because the majority of sites were thermally suitable. A similar analytical approach can be useful for inferring survival rates when count data are available over space and time but individual tagging is not feasible.

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